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Mr. John's twin calves and also his baby & wife, Palos Verdes Peninsula, Los Angeles County, Calif., 1937
15 photographs of a man, in some with 2 calves, and/or his horse, his wife and their baby, Los Angeles County, California, 1937 March 7. "Client: Palos Verdes; Agency: A. E. Hanson, 9435 Wilshire; Ope
Mendeley Data2024-05-20 更新60
康赛(Concept)
该数据为康赛(Concept)，数据格式为表格，属于中国草品种名录。数据内容包括品种名称、编号、学名、登记年份、申报单位和省份等。
国家林业和草原科学数据中心2023-06-13 更新50
Effects of negative pressure and directed ducted cooling systems on the performance of lactating sows
ABSTRACT The objective of the present study was to evaluate the effects of cooling systems by negative pressure versus directed ducts on the performance of lactating sows and their litter. The experim
DataCite Commons2022-06-06 更新40
